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From 1987 onwards, the LB4's output was 160 hp (119 kW) for pickups, while full-size vans were rated at 150 hp (112 kW). In 1988, the S-10/S-15 trucks, S-10 Blazer, and S-15 Jimmy had the LB4 4.3 L (262 cu in) as an available option (the accessory drive was upgraded to a serpentine belt drive), which later replaced the 2.8L as the base V6.
A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. [1] Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various ...
These are commonly used in automobiles to alter the behavior of vacuum switches, vacuum motors, and other vacuum devices. The engine in a common automobile produces almost 20 inches of mercury (68 kPa ) of vacuum, and this pressure differential has been utilized for everything from automatic locks and windshield wipers to operating emissions ...
Also called the GM small corporate pattern and the S10 pattern. This pattern has a distinctive odd-sided hexagonal shape. Rear wheel drive applications have the starter mounted on the right side of the block (when viewed from the flywheel) and on the opposite side of the block compared to front wheel drive installations.
The LQ1 (also called the Twin Dual Cam or TDC) was a 3.4 L (3,350 cc) DOHC V6 engine ("X-code") based on the aluminum-headed second generation of GM's 60° engine line, sharing a similar block with its pushrod cousins, the 3.1 L LH0 V6 and the then recently retired 2.8 L (2,837 cc) LB6 V6.
PCV valve on Ford Taunus V4 engine (feeding from left side valve cover into the inlet manifold) A crankcase ventilation system (CVS) removes unwanted gases from the crankcase of an internal combustion engine. The system usually consists of a tube, a one-way valve and a vacuum source (such as the inlet manifold).
Vacuum breakers can be used in sewage applications as an alternative to a water seal. It utilizes a one-way membrane that acts similar to a check valve. The membrane is sensitive enough to open under the weight of four ounces of water but remains closed when no water is present above to minimize evaporation and eliminate sewer gas odors. [4]
The Iron Duke's first applications were in the 1977 Astre and Sunbird subcompact cars, replacing the 2.3-liter Vega engine, and in the compact Phoenix. As these cars were originally designed for Chevrolet engines, the Iron Duke also used the Chevrolet bell housing bolt pattern , instead of the Buick-Oldsmobile-Pontiac V8 pattern.